1School of Dentistry, Pusan National University, Pusan 602-739, South Korea
2Department of Molecular Biology, College of Natural Science, Pusan National University, Pusan 609-735, South Korea
3Medical Research Center for Ischemic Tissue Regeneration, School of Medicine, Pusan National University, Pusan 602-739, South Korea
4Department of Radiology and Institute for Radiological Imaging Science, Wonkwang University School of Medicine, Iksan, 570-749, South Korea
5Korea Food and Drug Administration, Pusan 608-080, South Korea
6College of Pharmacy, Seoul National University, Seoul 151-742, South Korea
7Department of Biochemistry, College of Sciences, Yonsei University, Seoul 120-749, South Korea